tan^2x-4tanx-1=0

Simple and best practice solution for tan^2x-4tanx-1=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for tan^2x-4tanx-1=0 equation:


Simplifying
tan2x + -4tanx + -1 = 0

Reorder the terms:
-1 + -4antx + an2tx = 0

Solving
-1 + -4antx + an2tx = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + -4antx + 1 + an2tx = 0 + 1

Reorder the terms:
-1 + 1 + -4antx + an2tx = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -4antx + an2tx = 0 + 1
-4antx + an2tx = 0 + 1

Combine like terms: 0 + 1 = 1
-4antx + an2tx = 1

Reorder the terms:
-1 + -4antx + an2tx = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + -4antx + an2tx = 0

The solution to this equation could not be determined.

See similar equations:

| 9+(-4)=n+27 | | (2x+1)+(x+4)=20 | | x^2-2x+5-y=0 | | 9+(-4)=n+18 | | 3x-0.6=9.4 | | 5cos(x+2)=0 | | x+2x+x-3=37 | | (2t-4)+3t=32 | | 4x^3+4x-6=0 | | .66t+.66-1.25t=1.833 | | B*2=a+99 | | 2t-4+3t=32 | | -26+4+y=-4+13 | | cos4x=1/5 | | 55-8x=-4x-65 | | 5-2(x-1)=4x-3(x+5)-4 | | x/3-64=6 | | z^5+z-16i=0 | | 189-4x^3=297 | | -3=-7x-7y | | 1.25x=5/8 | | 3=7x+7y | | 5-x-15=2x-2 | | (52)+(-18)= | | -7x=7y | | 19.99+0.06(300)=x | | x^2=3y+1 | | 10x^1/2-x-9=0 | | 99x-199y=5 | | x^2=3y+2 | | 11+8y=3y-5 | | 19.99+0.06(335)=x |

Equations solver categories